Regional Weather Roundup
Issued by NWS
Issued by NWS
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786
ASUS43 KLOT 100106
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CST TUE DEC 09 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-100200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 39 32 76 SW8 29.47S WCI 33 TC 4
STERLING* MOCLDY 36 33 89 CALM 29.49F TC 2
$$
ILZ003-004-008-010-011-017-018-100200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 34 32 92 SE12G20 29.49F FOG WCI 25
FREEPORT* CLOUDY 36 33 89 S9 29.49S WCI 29 TC 2
DE KALB* MIX PCPN 33 32 96 SE8G16 29.51F WCI 26 TC 1
PERU* CLOUDY 37 32 82 S17 29.49F WCI 27 TC 3
$$
ILZ005-006-012>014-019>023-100200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 35 31 85 S8 29.54F WCI 29 TC 2
CHICAGO-MIDWAY DRIZZLE 36 31 82 S12 29.56F WCI 28 TC 2
AURORA LGT RAIN 34 32 92 S14 29.53F FOG WCI 25
JOLIET* RAIN 37 34 89 S7 29.56F WCI 32 TC 3
WAUKEGAN LGT RAIN 33 32 96 S8 29.53F WCI 26 TC 1
DUPAGE AIRPORT LGT RAIN 34 32 92 S13 29.53F WCI 25 TC 1
WHEELING LGT RAIN 35 32 88 S10 29.55F WCI 27 TC 2
MORRIS* LGT RAIN 36 33 91 S6 29.55F WCI 31 TC 2
ROMEOVILLE* CLOUDY 36 34 93 S14 29.56F WCI 27 TC 2
LANSING* LGT RAIN 35 28 77 S9 29.60F WCI 27 TC 2
NORTHERLY ISL* N/A 35 31 85 S7 N/A WCI 29 TC 2
$$
LMZ740>746-100200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 36 180/ 17/ 18 N/A
NORTHERLY ISL 35 190/ 8/ 12 N/A
CALUMET HARBOR 35 160/ 9/ 12 1002.0
BURNS HARBOR 36 180/ 8/ 10 1003.0F
MICHIGAN CITY 36 190/ 10/ 12 1003.0F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-100200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 42 33 70 S13 29.53F TC 6
GALESBURG* CLOUDY 39 36 89 S10 29.51R WCI 32 TC 4
MACOMB* CLOUDY 40 33 76 S14 29.52F TC 5
JACKSONVILLE* CLOUDY 43 32 65 S15G22 29.56F TC 6
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-100200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 37 32 83 S15 29.56F WCI 28 TC 3
BLOOMINGTON CLOUDY 37 33 85 S20G26 29.57F WCI 27 TC 3
DECATUR CLOUDY 38 32 79 S22G30 29.62F WCI 27 TC 3
PEORIA CLOUDY 39 33 79 S17G24 29.52F WCI 30 TC 4
LINCOLN* CLOUDY 39 31 73 S21 29.58F WCI 29 TC 4
SPRINGFIELD CLOUDY 40 33 76 S21G36 29.58F TC 4
TAYLORVILLE CLOUDY 37 33 84 S17G28 29.63F WCI 28 TC 3
$$
ILZ033-039-045-046-055>057-062-063-100200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 36 32 85 S20 29.64F WCI 25 TC 2
RANTOUL* CLOUDY 36 32 85 S14G22 29.62F WCI 27 TC 2
MATTOON CLOUDY 38 32 79 S16G31 29.67F WCI 29 TC 3
PARIS* CLOUDY 38 32 77 S23G29 29.69F WCI 28 TC 4
$$
ILZ079-100>102-100200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 45 34 65 S17 29.66F TC 7
BELLEVILLE MOCLDY 44 34 68 SW18G24 29.68F TC 7
CAHOKIA* MOCLDY 46 34 62 S12 29.67 TC 8
SPARTA* MOCLDY 41 33 75 S16G23 29.73F TC 5
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 41 36 82 S24G31 29.78F TC 5
CAIRO* MOCLDY 43 36 74 S13G18 29.88S TC 6
EFFINGHAM* CLOUDY 39 33 78 S13G18 29.73F WCI 32 TC 4
MARION MOCLDY 41 36 81 S21G26 29.79F TC 5
MT. VERNON MOCLDY N/A N/A N/A S20 29.76F
CENTRALIA* CLOUDY 40 34 80 S17G26 29.73F TC 4
SALEM* CLOUDY 40 34 77 S16 29.73F TC 5
METROPOLIS* PTCLDY 44 32 64 S10G16 29.87S TC 7
$$
ILZ067-068-072-073-078-083-087-091-100200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 42 32 67 S13 29.78S TC 6
FLORA* CLOUDY 39 34 81 S16G22 29.76S WCI 30 TC 4
FAIRFIELD* CLOUDY 40 33 76 S12 29.77F TC 5
HARRISBURG* MOCLDY 42 32 67 S9 29.81F TC 6
ROBINSON* CLOUDY 43 34 70 SW15G22 29.76R TC 6
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$